Steel Structure Design problems
- 1. The critical load for a column of length I hinged at both ends and having flexural rigidity El, is given by
Options- A.
- B.
- C.
- D. none of these Discuss
Correct Answer:
- 2. The thickness t of a single flat lacing should not be less than
Options- A. 1/30 th length between inner end rivets
- B. 1/40 th length between inner end rivets
- C. 1/50 th length between inner end rivets
- D. 1/60 th length between inner end rivets
- E. none of these. Discuss
Correct Answer: 1/40 th length between inner end rivets
- 3. Column footing is provided
Options- A. to spread the column load over a larger area
- B. to ensure that intensity of bearing pressure between the column footing and soil does not exceed permissible bearing capacity of the soil
- C. to distribute the column load over soil through the column footing
- D. all the above. Discuss
Correct Answer: all the above.
- 4. The maximum permissible slenderness ratio of a member carrying loads resulting from wind, is
Options- A. 180
- B. 200
- C. 250
- D. 300
- E. 350 Discuss
Correct Answer: 250
- 5. The critical stress on a column for elastic buckling given by Euler's formula, is
Options- A.
- B.
- C.
- D.
Discuss
Correct Answer:
- 6. The cross-section of a standard fillet is a triangle whose base angles are
Options- A. 45° and 45°
- B. 30° and 60°
- C. 40° and 50°
- D. 20° and 70° Discuss
Correct Answer: 45° and 45°
- 7. A second horizontal stiffener is always placed at the neutral axis of the girder if the thickness of the web is less than
Options- A. d/250 for structural steel
- B. d/225 for high tensile steel
- C. both (c) and (b)
- D. neither (a) nor (b) Discuss
Correct Answer: both (c) and (b)
- 8. Pick up the correct statement from the following:
Options- A. Vertical stiffeners may be placed in pairs one on each side of the web
- B. Single vertical stiffeners may be placed alternately on opposite sides of the web
- C. Horizontal stiffeners may be placed in pairs one on each side of the web
- D. Horizontal stiffeners may be placed alternately on opposite sides of the web
- E. All the above. Discuss
Correct Answer: All the above.
- 9. A structural member subjected to compressive stress in a direction parallel to its longitudinal axis, is generally known as
Options- A. column
- B. stanchion
- C. post
- D. strut
- E. all the above. Discuss
Correct Answer: all the above.
- 10. The ratio of longitudinal stress to strain within eiastic limit, is known as
Options- A. modulus of elasticity
- B. shear modulus of elasticity
- C. bulk modulus of elasticity
- D. tangent modulus of elasticity
- E. all the above. Discuss
Correct Answer: modulus of elasticity
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